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经营范围
发明名称
SOUND DIAPHRAGM
摘要
PURPOSE:To increase the Young's modulus and moderate the internal loss by laminating or coating using a specific elastomer as a base material as well as minimize the divided resonance and flatten the frequency characteristic upto the high pass.
申请公布号
JPS52154623(A)
申请公布日期
1977.12.22
申请号
JP19760072333
申请日期
1976.06.18
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
NIIGUCHI HIROTOSHI;YASHIRO MITSURU
分类号
H04R7/02
主分类号
H04R7/02
代理机构
代理人
主权项
地址
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